42849801 has 24 divisors (see below), whose sum is σ = 63725376. Its totient is φ = 27730080.

The previous prime is 42849787. The next prime is 42849803. The reversal of 42849801 is 10894824.

It is not a de Polignac number, because 42849801 - 2¹⁷ = 42718729 is a prime.

It is a super-2 number, since 2×42849801² = 3672210891479202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42849803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101571 + ... + 101991.

It is an arithmetic number, because the mean of its divisors is an integer number (2655224).

Almost surely, 2^42849801 is an apocalyptic number.

It is an amenable number.

42849801 is a deficient number, since it is larger than the sum of its proper divisors (20875575).

42849801 is a wasteful number, since it uses less digits than its factorization.

42849801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 42849801 is about 6545.9759394608. The cubic root of 42849801 is about 349.9314178548.

The spelling of 42849801 in words is "forty-two million, eight hundred forty-nine thousand, eight hundred one".